Distance between cities › USA › Arkansas › Augusta, AR › Distance from Augusta to Lamar Book Hotels

Distance from Augusta, AR to Lamar, OK

Distance

324 mi

Time

6 hours 5 mins

Gas Cost

$30 - $58

There are 269.17 miles from Augusta to Lamar in west direction and 324 miles (521.43 kilometers) by car, following the I-40 and US-65 route.

Augusta and Lamar are 6 hours 5 mins far apart, if you drive non-stop .

This is the fastest route from Augusta, AR to Lamar, OK.

Augusta, AR and Lamar, OK are in the same time zone (CDT). Current time in both locations is 10:08 pm.

Any questions or tips to share?

Share with fellow travellers any question or tips about the route from Augusta, AR to Lamar, OK:

Lowest Price Rental Cars in Augusta, AR

Planning on renting a car to go from Augusta, AR to Lamar, OK? Here there are some offers to rent a car in Augusta, AR

Small

From $14

Intermediate

From $18

Full-size

From $24

SUVs

From $28

Vans

From $40

Compare rental car prices in Augusta »

Gas Consumption and Emissions

A car with a fuel efficiency of MPG will need 13.02 gallons of gas to cover the route between Augusta, AR and Lamar, OK.

The estimated cost of gas to go from Augusta to Lamar is $41.72.

During the route, an average car will release 255.12 pounds of CO₂ to the atmosphere. The carbon footprint would be 0.79 pounds of CO₂ per mile.

Average USA gas price used for calculation is $3.20 per gallon of regular gas. Price last updated on March 11, 2026.
Read more about our CO₂ calculation.

Halfway Point Between Augusta, AR and Lamar, OK

If you want to meet halfway between Augusta, AR and Lamar, OK or just make a stop in the middle of your trip, the exact coordinates of the halfway point of this route are 35.512943 and -93.812475, or 35º 30' 46.5948" N, 93º 48' 44.91" W. This location is 162.12 miles away from Augusta, AR and Lamar, OK and it would take approximately 3 hours 2 mins to reach the halfway point from both locations.

Closest City or Town to Halfway Point

The closest town to the halfway point is Ozark, AR, situated 165 miles from Augusta, AR and 164 miles from Lamar, OK. It would take 3 hours 5 mins to go from Augusta to Ozark and 3 hours 8 mins to go from Lamar to Ozark.